References

Note: In addition to Volume 1 listed above, the following volumes
have been published. All were limited editions and are out of print. They are obtainable via interlibrary loan. NABS members have access to PDF versions.

Two Supplements were also published. The three volumes catalog a total of 1893 arches within the borders of Arches National Park. All of these plus a few more (over 2000 arches total) are cataloged with color photos in the online World Arch Database and its accompanying Arches of Arches National Park CD-ROM.